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Annotation of mandoc/man_macro.c, Revision 1.90

1.90    ! schwarze    1: /*     $Id: man_macro.c,v 1.89 2014/08/18 16:36:54 schwarze Exp $ */
1.1       kristaps    2: /*
1.65      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.90    ! schwarze    4:  * Copyright (c) 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.79      schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.14      kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.14      kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.30      kristaps   19: #include "config.h"
1.88      schwarze   20:
                     21: #include <sys/types.h>
1.30      kristaps   22:
1.1       kristaps   23: #include <assert.h>
                     24: #include <ctype.h>
                     25: #include <stdlib.h>
                     26: #include <string.h>
                     27:
1.58      kristaps   28: #include "man.h"
1.46      kristaps   29: #include "mandoc.h"
1.57      kristaps   30: #include "libmandoc.h"
1.1       kristaps   31: #include "libman.h"
                     32:
1.34      kristaps   33: enum   rew {
                     34:        REW_REWIND,
                     35:        REW_NOHALT,
1.40      kristaps   36:        REW_HALT
1.34      kristaps   37: };
1.19      kristaps   38:
1.35      kristaps   39: static int              blk_close(MACRO_PROT_ARGS);
                     40: static int              blk_exp(MACRO_PROT_ARGS);
                     41: static int              blk_imp(MACRO_PROT_ARGS);
1.19      kristaps   42: static int              in_line_eoln(MACRO_PROT_ARGS);
1.82      schwarze   43: static int              man_args(struct man *, int,
1.60      kristaps   44:                                int *, char *, char **);
1.19      kristaps   45:
1.82      schwarze   46: static int              rew_scope(enum man_type,
1.33      kristaps   47:                                struct man *, enum mant);
1.82      schwarze   48: static enum rew         rew_dohalt(enum mant, enum man_type,
1.19      kristaps   49:                                const struct man_node *);
1.82      schwarze   50: static enum rew         rew_block(enum mant, enum man_type,
1.21      kristaps   51:                                const struct man_node *);
1.19      kristaps   52:
                     53: const  struct man_macro __man_macros[MAN_MAX] = {
1.31      kristaps   54:        { in_line_eoln, MAN_NSCOPED }, /* br */
1.66      schwarze   55:        { in_line_eoln, MAN_BSCOPE }, /* TH */
                     56:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SH */
                     57:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SS */
                     58:        { blk_imp, MAN_BSCOPE | MAN_SCOPED | MAN_FSCOPED }, /* TP */
                     59:        { blk_imp, MAN_BSCOPE }, /* LP */
                     60:        { blk_imp, MAN_BSCOPE }, /* PP */
                     61:        { blk_imp, MAN_BSCOPE }, /* P */
                     62:        { blk_imp, MAN_BSCOPE }, /* IP */
                     63:        { blk_imp, MAN_BSCOPE }, /* HP */
1.90    ! schwarze   64:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SM */
        !            65:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SB */
1.19      kristaps   66:        { in_line_eoln, 0 }, /* BI */
                     67:        { in_line_eoln, 0 }, /* IB */
                     68:        { in_line_eoln, 0 }, /* BR */
                     69:        { in_line_eoln, 0 }, /* RB */
1.90    ! schwarze   70:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* R */
        !            71:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* B */
        !            72:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* I */
1.19      kristaps   73:        { in_line_eoln, 0 }, /* IR */
                     74:        { in_line_eoln, 0 }, /* RI */
1.31      kristaps   75:        { in_line_eoln, MAN_NSCOPED }, /* na */
                     76:        { in_line_eoln, MAN_NSCOPED }, /* sp */
1.66      schwarze   77:        { in_line_eoln, MAN_BSCOPE }, /* nf */
                     78:        { in_line_eoln, MAN_BSCOPE }, /* fi */
1.21      kristaps   79:        { blk_close, 0 }, /* RE */
1.74      kristaps   80:        { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* RS */
1.23      kristaps   81:        { in_line_eoln, 0 }, /* DT */
1.28      kristaps   82:        { in_line_eoln, 0 }, /* UC */
1.29      kristaps   83:        { in_line_eoln, 0 }, /* PD */
1.45      joerg      84:        { in_line_eoln, 0 }, /* AT */
1.49      kristaps   85:        { in_line_eoln, 0 }, /* in */
1.53      kristaps   86:        { in_line_eoln, 0 }, /* ft */
1.71      kristaps   87:        { in_line_eoln, 0 }, /* OP */
1.72      schwarze   88:        { in_line_eoln, MAN_BSCOPE }, /* EX */
                     89:        { in_line_eoln, MAN_BSCOPE }, /* EE */
1.76      schwarze   90:        { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* UR */
                     91:        { blk_close, 0 }, /* UE */
1.81      schwarze   92:        { in_line_eoln, 0 }, /* ll */
1.19      kristaps   93: };
1.9       kristaps   94:
1.19      kristaps   95: const  struct man_macro * const man_macros = __man_macros;
1.1       kristaps   96:
                     97:
1.3       kristaps   98: int
1.83      schwarze   99: man_unscope(struct man *man, const struct man_node *to)
1.1       kristaps  100: {
1.55      kristaps  101:        struct man_node *n;
1.1       kristaps  102:
1.83      schwarze  103:        to = to->parent;
                    104:        n = man->last;
                    105:        while (n != to) {
1.87      schwarze  106:
                    107:                /* Reached the end of the document? */
                    108:
                    109:                if (to == NULL && ! (n->flags & MAN_VALID)) {
                    110:                        if (man->flags & (MAN_BLINE | MAN_ELINE) &&
                    111:                            man_macros[n->tok].flags & MAN_SCOPED) {
                    112:                                mandoc_vmsg(MANDOCERR_BLK_LINE,
                    113:                                    man->parse, n->line, n->pos,
                    114:                                    "EOF breaks %s",
                    115:                                    man_macronames[n->tok]);
                    116:                                if (man->flags & MAN_ELINE)
                    117:                                        man->flags &= ~MAN_ELINE;
                    118:                                else {
                    119:                                        assert(n->type == MAN_HEAD);
                    120:                                        n = n->parent;
                    121:                                        man->flags &= ~MAN_BLINE;
                    122:                                }
                    123:                                man->last = n;
                    124:                                n = n->parent;
                    125:                                man_node_delete(man, man->last);
                    126:                                continue;
                    127:                        }
                    128:                        if (n->type == MAN_BLOCK &&
                    129:                            man_macros[n->tok].flags & MAN_EXPLICIT)
                    130:                                mandoc_msg(MANDOCERR_BLK_NOEND,
                    131:                                    man->parse, n->line, n->pos,
                    132:                                    man_macronames[n->tok]);
                    133:                }
                    134:
1.55      kristaps  135:                /*
1.83      schwarze  136:                 * We might delete the man->last node
                    137:                 * in the post-validation phase.
                    138:                 * Save a pointer to the parent such that
                    139:                 * we know where to continue the iteration.
1.55      kristaps  140:                 */
1.89      schwarze  141:
1.83      schwarze  142:                man->last = n;
                    143:                n = n->parent;
1.75      schwarze  144:                if ( ! man_valid_post(man))
1.19      kristaps  145:                        return(0);
                    146:        }
1.89      schwarze  147:
                    148:        /*
                    149:         * If we ended up at the parent of the node we were
                    150:         * supposed to rewind to, that means the target node
                    151:         * got deleted, so add the next node we parse as a child
                    152:         * of the parent instead of as a sibling of the target.
                    153:         */
                    154:
                    155:        man->next = (man->last == to) ?
                    156:            MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
                    157:
1.35      kristaps  158:        return(1);
1.19      kristaps  159: }
1.1       kristaps  160:
1.34      kristaps  161: static enum rew
1.33      kristaps  162: rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
1.21      kristaps  163: {
                    164:
1.82      schwarze  165:        if (MAN_BLOCK == type && ntok == n->parent->tok &&
                    166:            MAN_BODY == n->parent->type)
1.21      kristaps  167:                return(REW_REWIND);
                    168:        return(ntok == n->tok ? REW_HALT : REW_NOHALT);
                    169: }
                    170:
1.19      kristaps  171: /*
                    172:  * There are three scope levels: scoped to the root (all), scoped to the
                    173:  * section (all less sections), and scoped to subsections (all less
                    174:  * sections and subsections).
                    175:  */
1.82      schwarze  176: static enum rew
1.33      kristaps  177: rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n)
1.19      kristaps  178: {
1.34      kristaps  179:        enum rew         c;
1.1       kristaps  180:
1.38      kristaps  181:        /* We cannot progress beyond the root ever. */
1.19      kristaps  182:        if (MAN_ROOT == n->type)
                    183:                return(REW_HALT);
1.38      kristaps  184:
1.19      kristaps  185:        assert(n->parent);
1.38      kristaps  186:
                    187:        /* Normal nodes shouldn't go to the level of the root. */
1.19      kristaps  188:        if (MAN_ROOT == n->parent->type)
                    189:                return(REW_REWIND);
1.38      kristaps  190:
                    191:        /* Already-validated nodes should be closed out. */
1.19      kristaps  192:        if (MAN_VALID & n->flags)
                    193:                return(REW_NOHALT);
                    194:
1.38      kristaps  195:        /* First: rewind to ourselves. */
1.73      schwarze  196:        if (type == n->type && tok == n->tok) {
                    197:                if (MAN_EXPLICIT & man_macros[n->tok].flags)
                    198:                        return(REW_HALT);
                    199:                else
                    200:                        return(REW_REWIND);
                    201:        }
1.21      kristaps  202:
1.82      schwarze  203:        /*
1.38      kristaps  204:         * Next follow the implicit scope-smashings as defined by man.7:
                    205:         * section, sub-section, etc.
                    206:         */
                    207:
1.19      kristaps  208:        switch (tok) {
1.82      schwarze  209:        case MAN_SH:
1.19      kristaps  210:                break;
1.82      schwarze  211:        case MAN_SS:
1.20      kristaps  212:                /* Rewind to a section, if a block. */
1.21      kristaps  213:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    214:                        return(c);
                    215:                break;
1.82      schwarze  216:        case MAN_RS:
1.73      schwarze  217:                /* Preserve empty paragraphs before RS. */
                    218:                if (0 == n->nchild && (MAN_P == n->tok ||
                    219:                    MAN_PP == n->tok || MAN_LP == n->tok))
                    220:                        return(REW_HALT);
1.21      kristaps  221:                /* Rewind to a subsection, if a block. */
                    222:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    223:                        return(c);
                    224:                /* Rewind to a section, if a block. */
                    225:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    226:                        return(c);
1.19      kristaps  227:                break;
                    228:        default:
1.21      kristaps  229:                /* Rewind to an offsetter, if a block. */
                    230:                if (REW_NOHALT != (c = rew_block(MAN_RS, type, n)))
                    231:                        return(c);
1.20      kristaps  232:                /* Rewind to a subsection, if a block. */
1.21      kristaps  233:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    234:                        return(c);
1.20      kristaps  235:                /* Rewind to a section, if a block. */
1.21      kristaps  236:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    237:                        return(c);
1.19      kristaps  238:                break;
1.3       kristaps  239:        }
1.1       kristaps  240:
1.19      kristaps  241:        return(REW_NOHALT);
                    242: }
1.9       kristaps  243:
1.19      kristaps  244: /*
                    245:  * Rewinding entails ascending the parse tree until a coherent point,
                    246:  * for example, the `SH' macro will close out any intervening `SS'
                    247:  * scopes.  When a scope is closed, it must be validated and actioned.
                    248:  */
                    249: static int
1.75      schwarze  250: rew_scope(enum man_type type, struct man *man, enum mant tok)
1.19      kristaps  251: {
                    252:        struct man_node *n;
1.34      kristaps  253:        enum rew         c;
1.7       kristaps  254:
1.75      schwarze  255:        for (n = man->last; n; n = n->parent) {
1.82      schwarze  256:                /*
1.19      kristaps  257:                 * Whether we should stop immediately (REW_HALT), stop
                    258:                 * and rewind until this point (REW_REWIND), or keep
                    259:                 * rewinding (REW_NOHALT).
                    260:                 */
                    261:                c = rew_dohalt(tok, type, n);
                    262:                if (REW_HALT == c)
                    263:                        return(1);
                    264:                if (REW_REWIND == c)
1.7       kristaps  265:                        break;
1.6       kristaps  266:        }
1.1       kristaps  267:
1.82      schwarze  268:        /*
1.38      kristaps  269:         * Rewind until the current point.  Warn if we're a roff
                    270:         * instruction that's mowing over explicit scopes.
                    271:         */
                    272:        assert(n);
1.19      kristaps  273:
1.83      schwarze  274:        return(man_unscope(man, n));
1.19      kristaps  275: }
                    276:
1.6       kristaps  277:
1.36      kristaps  278: /*
                    279:  * Close out a generic explicit macro.
                    280:  */
1.35      kristaps  281: int
1.21      kristaps  282: blk_close(MACRO_PROT_ARGS)
                    283: {
1.82      schwarze  284:        enum mant                ntok;
1.21      kristaps  285:        const struct man_node   *nn;
                    286:
                    287:        switch (tok) {
1.82      schwarze  288:        case MAN_RE:
1.21      kristaps  289:                ntok = MAN_RS;
1.76      schwarze  290:                break;
1.82      schwarze  291:        case MAN_UE:
1.76      schwarze  292:                ntok = MAN_UR;
1.21      kristaps  293:                break;
                    294:        default:
                    295:                abort();
                    296:                /* NOTREACHED */
                    297:        }
                    298:
1.75      schwarze  299:        for (nn = man->last->parent; nn; nn = nn->parent)
1.73      schwarze  300:                if (ntok == nn->tok && MAN_BLOCK == nn->type)
1.21      kristaps  301:                        break;
                    302:
1.77      schwarze  303:        if (NULL == nn) {
1.84      schwarze  304:                mandoc_msg(MANDOCERR_BLK_NOTOPEN, man->parse,
                    305:                    line, ppos, man_macronames[tok]);
1.77      schwarze  306:                if ( ! rew_scope(MAN_BLOCK, man, MAN_PP))
                    307:                        return(0);
1.82      schwarze  308:        } else
1.83      schwarze  309:                man_unscope(man, nn);
1.21      kristaps  310:
                    311:        return(1);
                    312: }
                    313:
1.35      kristaps  314: int
                    315: blk_exp(MACRO_PROT_ARGS)
                    316: {
1.73      schwarze  317:        struct man_node *n;
1.59      kristaps  318:        int              la;
1.35      kristaps  319:        char            *p;
                    320:
1.73      schwarze  321:        /* Close out prior implicit scopes. */
                    322:
1.75      schwarze  323:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.73      schwarze  324:                return(0);
1.35      kristaps  325:
1.75      schwarze  326:        if ( ! man_block_alloc(man, line, ppos, tok))
1.35      kristaps  327:                return(0);
1.75      schwarze  328:        if ( ! man_head_alloc(man, line, ppos, tok))
1.35      kristaps  329:                return(0);
                    330:
                    331:        for (;;) {
                    332:                la = *pos;
1.75      schwarze  333:                if ( ! man_args(man, line, pos, buf, &p))
1.35      kristaps  334:                        break;
1.75      schwarze  335:                if ( ! man_word_alloc(man, line, la, p))
1.35      kristaps  336:                        return(0);
                    337:        }
                    338:
1.75      schwarze  339:        assert(man);
1.35      kristaps  340:        assert(tok != MAN_MAX);
                    341:
1.75      schwarze  342:        for (n = man->last; n; n = n->parent) {
1.73      schwarze  343:                if (n->tok != tok)
                    344:                        continue;
                    345:                assert(MAN_HEAD == n->type);
1.83      schwarze  346:                man_unscope(man, n);
1.73      schwarze  347:                break;
                    348:        }
                    349:
1.75      schwarze  350:        return(man_body_alloc(man, line, ppos, tok));
1.35      kristaps  351: }
                    352:
1.19      kristaps  353: /*
                    354:  * Parse an implicit-block macro.  These contain a MAN_HEAD and a
                    355:  * MAN_BODY contained within a MAN_BLOCK.  Rules for closing out other
                    356:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    357:  * routines.
                    358:  */
                    359: int
                    360: blk_imp(MACRO_PROT_ARGS)
                    361: {
1.59      kristaps  362:        int              la;
1.19      kristaps  363:        char            *p;
1.25      kristaps  364:        struct man_node *n;
1.19      kristaps  365:
                    366:        /* Close out prior scopes. */
1.7       kristaps  367:
1.75      schwarze  368:        if ( ! rew_scope(MAN_BODY, man, tok))
1.5       kristaps  369:                return(0);
1.75      schwarze  370:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.6       kristaps  371:                return(0);
1.1       kristaps  372:
1.19      kristaps  373:        /* Allocate new block & head scope. */
                    374:
1.75      schwarze  375:        if ( ! man_block_alloc(man, line, ppos, tok))
1.19      kristaps  376:                return(0);
1.75      schwarze  377:        if ( ! man_head_alloc(man, line, ppos, tok))
1.19      kristaps  378:                return(0);
1.1       kristaps  379:
1.75      schwarze  380:        n = man->last;
1.25      kristaps  381:
1.19      kristaps  382:        /* Add line arguments. */
1.3       kristaps  383:
1.19      kristaps  384:        for (;;) {
                    385:                la = *pos;
1.75      schwarze  386:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  387:                        break;
1.75      schwarze  388:                if ( ! man_word_alloc(man, line, la, p))
1.6       kristaps  389:                        return(0);
                    390:        }
                    391:
1.19      kristaps  392:        /* Close out head and open body (unless MAN_SCOPE). */
                    393:
1.27      kristaps  394:        if (MAN_SCOPED & man_macros[tok].flags) {
                    395:                /* If we're forcing scope (`TP'), keep it open. */
                    396:                if (MAN_FSCOPED & man_macros[tok].flags) {
1.75      schwarze  397:                        man->flags |= MAN_BLINE;
1.27      kristaps  398:                        return(1);
1.75      schwarze  399:                } else if (n == man->last) {
                    400:                        man->flags |= MAN_BLINE;
1.27      kristaps  401:                        return(1);
                    402:                }
                    403:        }
                    404:
1.75      schwarze  405:        if ( ! rew_scope(MAN_HEAD, man, tok))
1.6       kristaps  406:                return(0);
1.75      schwarze  407:        return(man_body_alloc(man, line, ppos, tok));
1.4       kristaps  408: }
                    409:
1.19      kristaps  410: int
                    411: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  412: {
1.59      kristaps  413:        int              la;
1.19      kristaps  414:        char            *p;
                    415:        struct man_node *n;
1.3       kristaps  416:
1.75      schwarze  417:        if ( ! man_elem_alloc(man, line, ppos, tok))
1.3       kristaps  418:                return(0);
                    419:
1.75      schwarze  420:        n = man->last;
1.3       kristaps  421:
1.19      kristaps  422:        for (;;) {
                    423:                la = *pos;
1.75      schwarze  424:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  425:                        break;
1.90    ! schwarze  426:                if (man_macros[tok].flags & MAN_JOIN &&
        !           427:                    man->last->type == MAN_TEXT)
        !           428:                        man_word_append(man, p);
        !           429:                else if ( ! man_word_alloc(man, line, la, p))
1.19      kristaps  430:                        return(0);
                    431:        }
1.78      schwarze  432:
                    433:        /*
                    434:         * Append MAN_EOS in case the last snipped argument
                    435:         * ends with a dot, e.g. `.IR syslog (3).'
                    436:         */
                    437:
                    438:        if (n != man->last &&
1.80      schwarze  439:            mandoc_eos(man->last->string, strlen(man->last->string)))
1.78      schwarze  440:                man->last->flags |= MAN_EOS;
1.3       kristaps  441:
1.31      kristaps  442:        /*
                    443:         * If no arguments are specified and this is MAN_SCOPED (i.e.,
                    444:         * next-line scoped), then set our mode to indicate that we're
                    445:         * waiting for terms to load into our context.
                    446:         */
                    447:
1.75      schwarze  448:        if (n == man->last && MAN_SCOPED & man_macros[tok].flags) {
1.31      kristaps  449:                assert( ! (MAN_NSCOPED & man_macros[tok].flags));
1.75      schwarze  450:                man->flags |= MAN_ELINE;
1.19      kristaps  451:                return(1);
1.31      kristaps  452:        }
1.64      kristaps  453:
1.75      schwarze  454:        assert(MAN_ROOT != man->last->type);
                    455:        man->next = MAN_NEXT_SIBLING;
1.82      schwarze  456:
1.19      kristaps  457:        /*
1.31      kristaps  458:         * Rewind our element scope.  Note that when TH is pruned, we'll
                    459:         * be back at the root, so make sure that we don't clobber as
                    460:         * its sibling.
1.19      kristaps  461:         */
1.3       kristaps  462:
1.75      schwarze  463:        for ( ; man->last; man->last = man->last->parent) {
                    464:                if (man->last == n)
1.19      kristaps  465:                        break;
1.75      schwarze  466:                if (man->last->type == MAN_ROOT)
1.19      kristaps  467:                        break;
1.75      schwarze  468:                if ( ! man_valid_post(man))
1.19      kristaps  469:                        return(0);
                    470:        }
1.3       kristaps  471:
1.75      schwarze  472:        assert(man->last);
1.3       kristaps  473:
                    474:        /*
1.82      schwarze  475:         * Same here regarding whether we're back at the root.
1.3       kristaps  476:         */
                    477:
1.75      schwarze  478:        if (man->last->type != MAN_ROOT && ! man_valid_post(man))
1.19      kristaps  479:                return(0);
1.3       kristaps  480:
1.19      kristaps  481:        return(1);
                    482: }
1.3       kristaps  483:
                    484:
1.19      kristaps  485: int
1.75      schwarze  486: man_macroend(struct man *man)
1.19      kristaps  487: {
1.22      kristaps  488:
1.83      schwarze  489:        return(man_unscope(man, man->first));
1.19      kristaps  490: }
1.3       kristaps  491:
1.60      kristaps  492: static int
1.75      schwarze  493: man_args(struct man *man, int line, int *pos, char *buf, char **v)
1.60      kristaps  494: {
                    495:        char     *start;
                    496:
                    497:        assert(*pos);
                    498:        *v = start = buf + *pos;
                    499:        assert(' ' != *start);
                    500:
                    501:        if ('\0' == *start)
                    502:                return(0);
                    503:
1.75      schwarze  504:        *v = mandoc_getarg(man->parse, v, line, pos);
1.60      kristaps  505:        return(1);
                    506: }

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